<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <style>
    body{
      margin:0px;
      font-size:60px;
      background-image:url("https://img.soogif.com/SEgt6udDufUhkW73Iv1S4GiXHCDlvbht.gif");

      background-size:100% 100% ;

      background-attachment:fixed;

    }
  </style>

</head>
<body>
<p>此页面正在开发中.........</p>

</body>
</html>